package com.itheima.service;

import com.itheima.pojo.Member;

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import java.util.List;
>>>>>>> cheng
import java.util.Map;

public interface MemberService {
    Member findByTelephone(String telephone);

    void add(Member member);

    Map getMemberReport();
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    List<Map> getMemberSexCount();

    List<Map> getCountByAge();
>>>>>>> cheng
}
